They are among the most primitive of the ray-finned ... Like many of the other living fossil fish, the bichir is especially adapted to life in dry environments. Instead of a regular swim bladder ...

Fish appear in the fossil record before four-legged animals (tetrapods), so the ancestor of this group must be at least as primitive as a fish. The most ancient fish were jawless, and since our ...

Placoderms were the planet's dominant life form for 60 million years ... its heart was more complex than expected for these primitive fish. It had two chambers one on top of each other, similar ...

Make fishing nets in the forest and cooking fish on a rock ...

"Even though acanthothoracids are among the most primitive of all jawed vertebrates, their teeth are in some ways far more like modern ones than arthrodire dentitions. Their jawbones resemble those of ...

and then bring a basket of kelp to my primitive hut where I hang it outside to dry. A few days later I bring a fish I had caught in the surf and wrap it in the dry kelp to grill it on the adobe ...

we have to step back to a time when life on Earth looked remarkably different. With a torpedo-like body, they were fast swimmers, relying on speed to hunt primitive fish and other marine creatures.